<template>
  <div class="app-container">
    <div class="filter-container">
      <el-input v-model="listQuery.loginname" placeholder="登录名" size="small" style="width: 200px; " class="filter-item" @keyup.enter.native="handleFilter" />
      <el-input v-model="listQuery.name" placeholder="姓名" size="small" style="width: 200px;" class="filter-item" @keyup.enter.native="handleFilter" />
      <el-button v-waves class="filter-item"  size="small" type="primary" icon="el-icon-search" @click="handleFilter">
        查询
      </el-button>
      <el-button class="filter-item" style="margin-left: 10px;"  size="small" type="primary" icon="el-icon-edit" @click="handleCreate">
        添加
      </el-button>
      <el-button v-waves :loading="downloadLoading" class="filter-item" size="small" type="primary" icon="el-icon-download" @click="handleDownload">
        导出
      </el-button>
    </div>

    <el-table
      :key="tableKey"
      v-loading="listLoading"
      :data="list"
      border
      fit
      highlight-current-row
      style="width: 100%;"
      @sort-change="sortChange"
    >
      <el-table-column label="ID" prop="id" sortable="custom" align="center" width="80" :class-name="getSortClass('id')">
        <template slot-scope="{row}">
          <span>{{ row.id }}</span>
        </template>
      </el-table-column>
      <el-table-column label="姓名" width="150px" align="center">
        <template slot-scope="{row}">
          <span>{{ row.name }}</span>
        </template>
      </el-table-column>
      <el-table-column label="登录名" width="150px" align="center">
        <template slot-scope="{row}">
          <span>{{ row.loginname }}</span>
        </template>
      </el-table-column>
      <el-table-column label="角色" width="250px" align="center">
        <template slot-scope="{row}">
          <span>{{ row.rolenames }}</span>
        </template>
      </el-table-column>
      <el-table-column label="状态" width="150px" align="center">
        <template slot-scope="{row}">
          <span>{{ row.deleteflag_Str }}</span>
        </template>
      </el-table-column>
      <el-table-column label="注册日期" width="150px" align="center">
        <template slot-scope="{row}">
          <span>{{ row.createdate | parseTime('{y}-{m}-{d} {h}:{i}') }}</span>
        </template>
      </el-table-column>
      <el-table-column fixed="right" label="操作" align="center" min-width="230">
        <template slot-scope="{row,$index}">
          <el-button type="primary" size="mini" @click="handleUpdate(row)">
            编辑
          </el-button>

          <el-popconfirm
            title="确认删除吗？"
            @onConfirm="handleDelete(row, $index)"
          >
            <el-button slot="reference" size="mini" type="danger">
              删除
            </el-button>
          </el-popconfirm>

        </template>
      </el-table-column>
    </el-table>

    <pagination v-show="total>0" :total="total" :page.sync="listQuery.page" :limit.sync="listQuery.limit" @pagination="getList" />

    <el-dialog :title="textMap[dialogStatus]" :visible.sync="dialogFormVisible">
      <el-form ref="dataForm" :rules="rules" :model="temp" label-position="left" label-width="70px" style="width: 400px; margin-left:50px;">
        <el-form-item label="姓名" prop="title">
          <el-input v-model="temp.name" />
        </el-form-item>
        <el-form-item label="登录名" prop="title">
          <el-input v-model="temp.loginname" />
        </el-form-item>
        <el-form-item label="密码" prop="title">
          <el-input v-model="temp.password"  placeholder="需重置密码时输入"/>
        </el-form-item>
        <el-form-item label="重复密码" prop="title">
          <el-input v-model="temp.password2"  placeholder="需重置密码时输入"/>
        </el-form-item>
        <el-form-item label="角色" prop="title">
          <el-select v-model="myRoleIds" multiple placeholder="请选择">
            <el-option
              v-for="item in roles"
              :key="item.id"
              :label="item.roleName"
              :value="item.id"
            />
          </el-select>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="dialogFormVisible = false">
          取消
        </el-button>
        <el-button type="primary" @click="dialogStatus==='create'?createData():updateData()">
          保存
        </el-button>
      </div>
    </el-dialog>

    <el-dialog :visible.sync="dialogPvVisible" title="Reading statistics">
      <el-table :data="pvData" border fit highlight-current-row style="width: 100%">
        <el-table-column prop="key" label="Channel" />
        <el-table-column prop="pv" label="Pv" />
      </el-table>
      <span slot="footer" class="dialog-footer">
        <el-button type="primary" @click="dialogPvVisible = false">Confirm</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
import { fetchList, fetchPv, createUser, updateUser, removeUser } from '@/api/user'
import waves from '@/directive/waves' // waves directive
import { parseTime } from '@/utils'
import Pagination from '@/components/Pagination' // secondary package based on el-pagination
import { getList } from '@/api/role'

const calendarTypeOptions = [
  { key: 'CN', display_name: 'China' },
  { key: 'US', display_name: 'USA' },
  { key: 'JP', display_name: 'Japan' },
  { key: 'EU', display_name: 'Eurozone' }
]

// arr to obj, such as { CN : "China", US : "USA" }
const calendarTypeKeyValue = calendarTypeOptions.reduce((acc, cur) => {
  acc[cur.key] = cur.display_name
  return acc
}, {})

export default {
  name: 'UserList',
  components: { Pagination },
  directives: { waves },
  filters: {
    statusFilter(status) {
      const statusMap = {
        published: 'success',
        draft: 'info',
        deleted: 'danger'
      }
      return statusMap[status]
    },
    typeFilter(type) {
      return calendarTypeKeyValue[type]
    }
  },
  data() {
    return {
      tableKey: 0,
      list: null,
      total: 0,
      listLoading: true,
      listQuery: {
        page: 1,
        limit: 20,
        name: undefined,
        loginname: undefined,
        sort: '-id'
      },
      importanceOptions: [1, 2, 3],
      calendarTypeOptions,
      sortOptions: [{ label: 'ID Ascending', key: '+id' }, { label: 'ID Descending', key: '-id' }],
      statusOptions: ['published', 'draft', 'deleted'],
      showReviewer: false,
      temp: {
        id: undefined,
        name: '',
        loginname: '',
        deleteflag: '1',
        password: '',
        password2: ''
      },
      dialogFormVisible: false,
      dialogStatus: '',
      textMap: {
        update: 'Edit',
        create: 'Create'
      },
      dialogPvVisible: false,
      pvData: [],
      rules: {
        name: [{ required: true, message: 'name is required', trigger: 'blur' }],
        loginname: [{ required: true, message: 'loginname is required', trigger: 'blur' }]
      },
      downloadLoading: false,
      roles: [],
      myRoleIds: []
    }
  },
  created() {
    this.getList()
  },
  methods: {
    getList() {
      this.listLoading = true
      fetchList(this.listQuery).then(result => {
        this.list = result.map.rows
        this.total = result.map.total

        // Just to simulate the time of the request
        setTimeout(() => {
          this.listLoading = false
        }, 0.1 * 1000)

        // get role list
        getList().then(result => {
          this.roles = result.list
        })
      })
    },
    handleFilter() {
      this.listQuery.page = 1
      this.getList()
    },
    sortChange(data) {
      const { prop, order } = data
      if (prop === 'id') {
        this.sortByID(order)
      }
    },
    sortByID(order) {
      if (order === 'ascending') {
        this.listQuery.sort = '+id'
      } else {
        this.listQuery.sort = '-id'
      }
      this.handleFilter()
    },
    resetTemp() {
      this.temp = {
        name: '',
        loginname: '',
        deleteflag: '1',
        password: ''
      }
      this.myRoleIds = []
    },
    handleCreate() {
      this.resetTemp()
      this.dialogStatus = 'create'
      this.dialogFormVisible = true
      /* this.$nextTick(() => {
        this.$refs['dataForm'].clearValidate()
      })*/
    },
    createData() {
      const param = Object.assign({}, this.temp)
      param.roleIds = '' + this.myRoleIds
      createUser(param).then((result) => {
        this.handleFilter()
        this.dialogFormVisible = false
        this.$notify({
          title: 'Success',
          message: '添加数据成功',
          type: 'success',
          duration: 2000
        })
      })
    },
    handleUpdate(row) {
      this.temp = Object.assign({}, row) // copy obj
      this.dialogStatus = 'update'
      this.dialogFormVisible = true
      if (this.temp.roleIds) {
        this.myRoleIds = this.temp.roleIds.split(',').map(Number)
      } else {
        this.myRoleIds = []
      }
      /* this.$nextTick(() => {
        this.$refs['dataForm'].clearValidate()
      })*/
    },
    updateData() {
      this.$refs['dataForm'].validate((valid) => {
        if (valid) {
          const param = Object.assign({}, this.temp)
          param.roleIds = '' + this.myRoleIds
          updateUser(param).then(() => {
            this.dialogFormVisible = false
            this.getList()
            this.$notify({
              title: '成功',
              message: 'Update Successfully',
              type: 'success',
              duration: 2000
            })
          })
        }
      })
    },
    handleDelete(row, index) {
      const param = {}
      param.id = row.id
      removeUser(param).then(() => {
        this.getList()
        this.$notify({
          title: '成功',
          message: '删除成功',
          type: 'success',
          duration: 2000
        })
      })
    },
    handleFetchPv(pv) {
      fetchPv(pv).then(response => {
        this.pvData = response.data.pvData
        this.dialogPvVisible = true
      })
    },
    handleDownload() {
      this.downloadLoading = true
      import('@/vendor/Export2Excel').then(excel => {
        const tHeader = ['timestamp', 'title', 'type', 'importance', 'status']
        const filterVal = ['timestamp', 'title', 'type', 'importance', 'status']
        const data = this.formatJson(filterVal)
        excel.export_json_to_excel({
          header: tHeader,
          data,
          filename: 'table-list'
        })
        this.downloadLoading = false
      })
    },
    formatJson(filterVal) {
      return this.list.map(v => filterVal.map(j => {
        if (j === 'timestamp') {
          return parseTime(v[j])
        } else {
          return v[j]
        }
      }))
    },
    getSortClass: function(key) {
      const sort = this.listQuery.sort
      return sort === `+${key}` ? 'ascending' : 'descending'
    }
  }
}
</script>
<style>

</style>
